title: In this issue of Occupational Medicine.
authors.affiliation: Assistant Editor.
authors.forename: Paul
authors.initials: P
authors.lastname: Williams
mesh_terms: D015992:Body Mass Index; D005080:Exercise Test / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D010809:Physical Fitness; D016495:Police